Bugs: The conversion process may contain bugs.However, the coverage of Java 11 features should be fairly complete, so this is a rare problem. Incomplete Conversion: The source file may contain code that is not supported by java2typescript.The most common problem classes that can occur are:
There are simply too many conditions that influence the process and its result. There is almost never an error free result, after conversion. A separate document discusses these aspects: feature documentation. Of course there's no 1:1 translation between Java and Typescript and therefore it is important to understand what needs to be considered and what problems are to be expected. A different log line is printed in the console when that is the case. The associated Java file is always parsed (for symbol resolution), but a Typescript file with that line is not overwritten anymore. when you have fixed errors in a file) add the text /* java2ts: keep */ as the first line in such a file. To support iterative conversions (running the tool multiple times with the same settings) without overwriting good files (e.g. There's a dedicated repository demonstrating the use of java2typescript in both ways. This is almost identical how the above mentioned java2ts script does it, except for some support code to transform the config json file into the require configuration structure. Define a script in your package.json:Ĭonst configuration: IConverterConfiguration = const converter = new JavaToTypescriptConverter ( configuration ) await converter. When you install the tool locally in a project, you can use an NPM script to run it. The other way is to write an own script which imports the necessary classes and run the process from there. For convenience there's a converter script, exported as binary script when adding the converter package as dependency, which can be executed. There are two ways to execute a conversion. Install the tool like most other Node.js packages, by running npm i java2typescript in your project folder. The converter uses (a copy of) the Java grammar from the ANTLR4 grammar directory, which supports Java 17, however, only language features up to Java 11 are supported. The conversion usually takes a Java source package (path to the package root) and creates a copy of the folder structure of that, thereby translating all *.java files to Typescript.
This tool is a Node.js application written in Typescript to convert Java source code to Typescript.
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